½ L gin¼ L Lillet Rouge¼ L simple syrup (1:1)¼ L lemon juice1 top champagne
instructions :

Combine all ingredients in a punch bowl or large pitcher.
Add plenty of sliced strawberries and stir in blocks of ice to chill.
Garnish individual servings with a lemon wheel and a mint sprig.

source :
punchdrink.com